Detroit Diesel Series 53 Straight-3 engines

Detroit Diesel Series 53 Straight-3 3-53N engine

It's an 159 in³ (2.61 L) internal combustion reciprocating Inline 3 engine. It has bore/stroke ratio of 3.875 in × 4.5 in (9.842 cm × 11.43 cm), and uses 21:1 compression. This engine was rated 86 hp (64.13 kW) at 2800 rpm and 201 lbf⋅ft (272.52 N⋅m) of torque at 1500 rpm.